If Search

Q:

Identify the figure that completes the pattern.

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Pattern Completion

Q:

Select the alternative in which the specified components of the key figure (X) are found?

A) a	B) b
C) c	D) d

Answer & Explanation Answer: A) a

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Image Analysis

Q:

Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?

Answer

Let A's age 10 years ago be x years . Then B's age 10 years ago be 2x years

$\Rightarrow \frac{x+10}{2x+10}=\frac{3}{4}$

$\Rightarrow4(x+10)=3(2x+10)$

$\Rightarrow x=5$

$\therefore$ Total of their present ages = x + 10 + 2x + 10

= 3x+20

= 3 * 5 + 20 = 35 years

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Problems on Ages

Q:

A man said to his son, "I was two-thirds of your present age when you were born". IIf the present age of the man is 48 years, find the present age of the son.

Answer

Let the Present age of the son be P, which means he was born P years ago.At the time the son was born, the age of the man was : (48 - P). So, according to the statement made by the man, his age when the son was born should be equal to 2/3 of P.

Therefore, $(48-P)=\frac{2}{3}P$

Solving, we get P = 28.8 years; which is the present age of the son.

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Problems on Ages

Q:

The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence.

Answer

Given that, A+B = 60 and A = 2B.

Solving, We get A = 40, B = 20.

Five years their ages will be 45 and 25, so the sum of their ages will be 70.

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Problems on Ages

Q:

The number of ways that 8 beads of different colours be strung as a necklace is

A) 2520	B) 2880
C) 4320	D) 5040

Answer & Explanation Answer: A) 2520

Explanation:

The number of ways of arranging n beads in a necklace is $\frac{(n - 1)!}{2} = \frac{(8 - 1)!}{2} = \frac{7!}{2}$ = 2520

(since n = 8)

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

Q:

If A1, A2, A3, A4, ..... A10 are speakers for a meeting and A1 always speaks after, A2 then the number of ways they can speak in the meeting is

A) 9!	B) 9!/2
C) 10!	D) 10!/2

Answer & Explanation Answer: D) 10!/2

Explanation:

As A1 speaks always after A2, they can speak only in 1st to 9th places and

A2 can speak in 2nd to 10 the places only when A1 speaks in 1st place

A2 can speak in 9 places the remaining

A3, A4, A5,...A10 has no restriction. So, they can speak in 9.8! ways. i.e

when A2 speaks in the first place, the number of ways they can speak is 9.8!.

When A2 speaks in second place, the number of ways they can speak is 8.8!.

When A2 speaks in third place, the number of ways they can speak is 7.8!. When A2 speaks in the ninth place, the number of ways they can speak is 1.8!

Therefore,Total Number of ways they can speak = (9+8+7+6+5+4+3+2+1) 8! = $\frac{9}{2} (9 + 1) 8!$ = 10!/2

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

Q:

Pointing to a Photograph, Arjun said, "She is the mother of my son's wife's daughter". How is Arjun related to the lady?

A) Uncle	B) Cousin
C) Daughter- in - law	D) None of these

Answer & Explanation Answer: C) Daughter- in - law

Explanation:

Arjun's son's wife's daughter ---- Arjun's son's daughter; Mother of daughter of Arjun's son - wife of Arjun's son.

So, Arjun is the father-in-law of the lady.

Report Error

View Answer Report Error Discuss

Filed Under: Blood Relations

Searching for "If"

Quick Links